Home / 56,818.12-78,550.72-42,646.36

Finding the Fourth Proportional to 56,818.12, 78,550.72 and 42,646.36

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Solution

The fourth proportional to 56,818.12, 78,550.72 and 42,646.36 is: 58,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.12 : 78,550.72 = 42,646.36 : x
  2. Step 2: Convert to fraction form
    56,818.12/78,550.72 = 42,646.36/x
  3. Step 3: Cross multiply
    56,818.12x = 78,550.72 × 42,646.36
  4. Step 4: Simplify right side
    56,818.12x = 3,349,902,283.38
  5. Step 5: Solve for x
    x = 3,349,902,283.38/56,818.12
  6. Step 6: Final answer
    x = 58,958.34

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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.