Home / 56,996.20-78,681.54-42,496.66

Finding the Fourth Proportional to 56,996.20, 78,681.54 and 42,496.66

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Solution

The fourth proportional to 56,996.20, 78,681.54 and 42,496.66 is: 58,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.20 : 78,681.54 = 42,496.66 : x
  2. Step 2: Convert to fraction form
    56,996.20/78,681.54 = 42,496.66/x
  3. Step 3: Cross multiply
    56,996.20x = 78,681.54 × 42,496.66
  4. Step 4: Simplify right side
    56,996.20x = 3,343,702,653.66
  5. Step 5: Solve for x
    x = 3,343,702,653.66/56,996.20
  6. Step 6: Final answer
    x = 58,665.36

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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.