Home / 42,433.36-63,633.60-14,345.92

Finding the Fourth Proportional to 42,433.36, 63,633.60 and 14,345.92

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Solution

The fourth proportional to 42,433.36, 63,633.60 and 14,345.92 is: 21,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,433.36 : 63,633.60 = 14,345.92 : x
  2. Step 2: Convert to fraction form
    42,433.36/63,633.60 = 14,345.92/x
  3. Step 3: Cross multiply
    42,433.36x = 63,633.60 × 14,345.92
  4. Step 4: Simplify right side
    42,433.36x = 912,882,534.91
  5. Step 5: Solve for x
    x = 912,882,534.91/42,433.36
  6. Step 6: Final answer
    x = 21,513.32

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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.