Home / 61,080.76-84,332.64-38,145.61

Finding the Fourth Proportional to 61,080.76, 84,332.64 and 38,145.61

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Solution

The fourth proportional to 61,080.76, 84,332.64 and 38,145.61 is: 52,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,080.76 : 84,332.64 = 38,145.61 : x
  2. Step 2: Convert to fraction form
    61,080.76/84,332.64 = 38,145.61/x
  3. Step 3: Cross multiply
    61,080.76x = 84,332.64 × 38,145.61
  4. Step 4: Simplify right side
    61,080.76x = 3,216,919,995.71
  5. Step 5: Solve for x
    x = 3,216,919,995.71/61,080.76
  6. Step 6: Final answer
    x = 52,666.67

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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.