Home / 56,207.08-77,565.09-30,713.32

Finding the Fourth Proportional to 56,207.08, 77,565.09 and 30,713.32

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Solution

The fourth proportional to 56,207.08, 77,565.09 and 30,713.32 is: 42,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.08 : 77,565.09 = 30,713.32 : x
  2. Step 2: Convert to fraction form
    56,207.08/77,565.09 = 30,713.32/x
  3. Step 3: Cross multiply
    56,207.08x = 77,565.09 × 30,713.32
  4. Step 4: Simplify right side
    56,207.08x = 2,382,281,430.00
  5. Step 5: Solve for x
    x = 2,382,281,430.00/56,207.08
  6. Step 6: Final answer
    x = 42,384.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.