Home / 31,498,280-43,486,522.08-20,652,159.68

Finding the Fourth Proportional to 31,498,280, 43,486,522.08 and 20,652,159.68

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Solution

The fourth proportional to 31,498,280, 43,486,522.08 and 20,652,159.68 is: 28,512,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,498,280 : 43,486,522.08 = 20,652,159.68 : x
  2. Step 2: Convert to fraction form
    31,498,280/43,486,522.08 = 20,652,159.68/x
  3. Step 3: Cross multiply
    31,498,280x = 43,486,522.08 × 20,652,159.68
  4. Step 4: Simplify right side
    31,498,280x = 898,090,597,924,005.62
  5. Step 5: Solve for x
    x = 898,090,597,924,005.62/31,498,280
  6. Step 6: Final answer
    x = 28,512,369.50

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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.