Home / 56,355.83-77,770.10-31,204.79

Finding the Fourth Proportional to 56,355.83, 77,770.10 and 31,204.79

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Solution

The fourth proportional to 56,355.83, 77,770.10 and 31,204.79 is: 43,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,355.83 : 77,770.10 = 31,204.79 : x
  2. Step 2: Convert to fraction form
    56,355.83/77,770.10 = 31,204.79/x
  3. Step 3: Cross multiply
    56,355.83x = 77,770.10 × 31,204.79
  4. Step 4: Simplify right side
    56,355.83x = 2,426,799,482.76
  5. Step 5: Solve for x
    x = 2,426,799,482.76/56,355.83
  6. Step 6: Final answer
    x = 43,062.08

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1.5x scale

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.