Home / 45,117.55-67,663.18-13,526.35

Finding the Fourth Proportional to 45,117.55, 67,663.18 and 13,526.35

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Solution

The fourth proportional to 45,117.55, 67,663.18 and 13,526.35 is: 20,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117.55 : 67,663.18 = 13,526.35 : x
  2. Step 2: Convert to fraction form
    45,117.55/67,663.18 = 13,526.35/x
  3. Step 3: Cross multiply
    45,117.55x = 67,663.18 × 13,526.35
  4. Step 4: Simplify right side
    45,117.55x = 915,235,854.79
  5. Step 5: Solve for x
    x = 915,235,854.79/45,117.55
  6. Step 6: Final answer
    x = 20,285.58

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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.