Home / 42,073.02-63,124.65-21,011.40

Finding the Fourth Proportional to 42,073.02, 63,124.65 and 21,011.40

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Solution

The fourth proportional to 42,073.02, 63,124.65 and 21,011.40 is: 31,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,073.02 : 63,124.65 = 21,011.40 : x
  2. Step 2: Convert to fraction form
    42,073.02/63,124.65 = 21,011.40/x
  3. Step 3: Cross multiply
    42,073.02x = 63,124.65 × 21,011.40
  4. Step 4: Simplify right side
    42,073.02x = 1,326,337,271.01
  5. Step 5: Solve for x
    x = 1,326,337,271.01/42,073.02
  6. Step 6: Final answer
    x = 31,524.65

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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.