Home / 42,538.50-63,802.88-11,376.18

Finding the Fourth Proportional to 42,538.50, 63,802.88 and 11,376.18

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Solution

The fourth proportional to 42,538.50, 63,802.88 and 11,376.18 is: 17,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,538.50 : 63,802.88 = 11,376.18 : x
  2. Step 2: Convert to fraction form
    42,538.50/63,802.88 = 11,376.18/x
  3. Step 3: Cross multiply
    42,538.50x = 63,802.88 × 11,376.18
  4. Step 4: Simplify right side
    42,538.50x = 725,833,047.40
  5. Step 5: Solve for x
    x = 725,833,047.40/42,538.50
  6. Step 6: Final answer
    x = 17,062.97

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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.