Home / 40,485.60-60,666.88-28,663.52

Finding the Fourth Proportional to 40,485.60, 60,666.88 and 28,663.52

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Solution

The fourth proportional to 40,485.60, 60,666.88 and 28,663.52 is: 42,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.60 : 60,666.88 = 28,663.52 : x
  2. Step 2: Convert to fraction form
    40,485.60/60,666.88 = 28,663.52/x
  3. Step 3: Cross multiply
    40,485.60x = 60,666.88 × 28,663.52
  4. Step 4: Simplify right side
    40,485.60x = 1,738,926,328.22
  5. Step 5: Solve for x
    x = 1,738,926,328.22/40,485.60
  6. Step 6: Final answer
    x = 42,951.72

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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.