Home / 45,070.40-67,585.88-21,384.71

Finding the Fourth Proportional to 45,070.40, 67,585.88 and 21,384.71

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Solution

The fourth proportional to 45,070.40, 67,585.88 and 21,384.71 is: 32,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.40 : 67,585.88 = 21,384.71 : x
  2. Step 2: Convert to fraction form
    45,070.40/67,585.88 = 21,384.71/x
  3. Step 3: Cross multiply
    45,070.40x = 67,585.88 × 21,384.71
  4. Step 4: Simplify right side
    45,070.40x = 1,445,303,999.04
  5. Step 5: Solve for x
    x = 1,445,303,999.04/45,070.40
  6. Step 6: Final answer
    x = 32,067.70

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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.