Home / 42,398.63-63,607.16-14,317.49

Finding the Fourth Proportional to 42,398.63, 63,607.16 and 14,317.49

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Solution

The fourth proportional to 42,398.63, 63,607.16 and 14,317.49 is: 21,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,398.63 : 63,607.16 = 14,317.49 : x
  2. Step 2: Convert to fraction form
    42,398.63/63,607.16 = 14,317.49/x
  3. Step 3: Cross multiply
    42,398.63x = 63,607.16 × 14,317.49
  4. Step 4: Simplify right side
    42,398.63x = 910,694,877.23
  5. Step 5: Solve for x
    x = 910,694,877.23/42,398.63
  6. Step 6: Final answer
    x = 21,479.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.