Home / 42,407.19-63,571.86-14,685.75

Finding the Fourth Proportional to 42,407.19, 63,571.86 and 14,685.75

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Solution

The fourth proportional to 42,407.19, 63,571.86 and 14,685.75 is: 22,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,407.19 : 63,571.86 = 14,685.75 : x
  2. Step 2: Convert to fraction form
    42,407.19/63,571.86 = 14,685.75/x
  3. Step 3: Cross multiply
    42,407.19x = 63,571.86 × 14,685.75
  4. Step 4: Simplify right side
    42,407.19x = 933,600,443.00
  5. Step 5: Solve for x
    x = 933,600,443.00/42,407.19
  6. Step 6: Final answer
    x = 22,015.15

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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.