Home / 52,129.81-71,980.55-48,149.47

Finding the Fourth Proportional to 52,129.81, 71,980.55 and 48,149.47

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Solution

The fourth proportional to 52,129.81, 71,980.55 and 48,149.47 is: 66,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.81 : 71,980.55 = 48,149.47 : x
  2. Step 2: Convert to fraction form
    52,129.81/71,980.55 = 48,149.47/x
  3. Step 3: Cross multiply
    52,129.81x = 71,980.55 × 48,149.47
  4. Step 4: Simplify right side
    52,129.81x = 3,465,825,332.81
  5. Step 5: Solve for x
    x = 3,465,825,332.81/52,129.81
  6. Step 6: Final answer
    x = 66,484.52

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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.