Home / 40,059.52-60,147.68-28,434.40

Finding the Fourth Proportional to 40,059.52, 60,147.68 and 28,434.40

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Solution

The fourth proportional to 40,059.52, 60,147.68 and 28,434.40 is: 42,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,059.52 : 60,147.68 = 28,434.40 : x
  2. Step 2: Convert to fraction form
    40,059.52/60,147.68 = 28,434.40/x
  3. Step 3: Cross multiply
    40,059.52x = 60,147.68 × 28,434.40
  4. Step 4: Simplify right side
    40,059.52x = 1,710,263,192.19
  5. Step 5: Solve for x
    x = 1,710,263,192.19/40,059.52
  6. Step 6: Final answer
    x = 42,693.05

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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.