Home / 39,386.72-59,062.80-14,420.30

Finding the Fourth Proportional to 39,386.72, 59,062.80 and 14,420.30

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Solution

The fourth proportional to 39,386.72, 59,062.80 and 14,420.30 is: 21,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386.72 : 59,062.80 = 14,420.30 : x
  2. Step 2: Convert to fraction form
    39,386.72/59,062.80 = 14,420.30/x
  3. Step 3: Cross multiply
    39,386.72x = 59,062.80 × 14,420.30
  4. Step 4: Simplify right side
    39,386.72x = 851,703,294.84
  5. Step 5: Solve for x
    x = 851,703,294.84/39,386.72
  6. Step 6: Final answer
    x = 21,624.12

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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.