Home / 30,920,488.40-42,671,347.08-17,169,682.16

Finding the Fourth Proportional to 30,920,488.40, 42,671,347.08 and 17,169,682.16

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Solution

The fourth proportional to 30,920,488.40, 42,671,347.08 and 17,169,682.16 is: 23,694,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920,488.40 : 42,671,347.08 = 17,169,682.16 : x
  2. Step 2: Convert to fraction form
    30,920,488.40/42,671,347.08 = 17,169,682.16/x
  3. Step 3: Cross multiply
    30,920,488.40x = 42,671,347.08 × 17,169,682.16
  4. Step 4: Simplify right side
    30,920,488.40x = 732,653,466,702,644.12
  5. Step 5: Solve for x
    x = 732,653,466,702,644.12/30,920,488.40
  6. Step 6: Final answer
    x = 23,694,757.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.