Home / 56,123.04-84,188.26-18,681.60

Finding the Fourth Proportional to 56,123.04, 84,188.26 and 18,681.60

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Solution

The fourth proportional to 56,123.04, 84,188.26 and 18,681.60 is: 28,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,123.04 : 84,188.26 = 18,681.60 : x
  2. Step 2: Convert to fraction form
    56,123.04/84,188.26 = 18,681.60/x
  3. Step 3: Cross multiply
    56,123.04x = 84,188.26 × 18,681.60
  4. Step 4: Simplify right side
    56,123.04x = 1,572,771,398.02
  5. Step 5: Solve for x
    x = 1,572,771,398.02/56,123.04
  6. Step 6: Final answer
    x = 28,023.63

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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.