Home / 42,302.75-63,455.15-14,223.17

Finding the Fourth Proportional to 42,302.75, 63,455.15 and 14,223.17

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Solution

The fourth proportional to 42,302.75, 63,455.15 and 14,223.17 is: 21,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,302.75 : 63,455.15 = 14,223.17 : x
  2. Step 2: Convert to fraction form
    42,302.75/63,455.15 = 14,223.17/x
  3. Step 3: Cross multiply
    42,302.75x = 63,455.15 × 14,223.17
  4. Step 4: Simplify right side
    42,302.75x = 902,533,314.71
  5. Step 5: Solve for x
    x = 902,533,314.71/42,302.75
  6. Step 6: Final answer
    x = 21,335.10

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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.