Home / 42,440.16-63,637.84-14,350.56

Finding the Fourth Proportional to 42,440.16, 63,637.84 and 14,350.56

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Solution

The fourth proportional to 42,440.16, 63,637.84 and 14,350.56 is: 21,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,440.16 : 63,637.84 = 14,350.56 : x
  2. Step 2: Convert to fraction form
    42,440.16/63,637.84 = 14,350.56/x
  3. Step 3: Cross multiply
    42,440.16x = 63,637.84 × 14,350.56
  4. Step 4: Simplify right side
    42,440.16x = 913,238,641.19
  5. Step 5: Solve for x
    x = 913,238,641.19/42,440.16
  6. Step 6: Final answer
    x = 21,518.27

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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.