Home / 38,838,630.80-58,257,946.20-31,280,358.80

Finding the Fourth Proportional to 38,838,630.80, 58,257,946.20 and 31,280,358.80

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Solution

The fourth proportional to 38,838,630.80, 58,257,946.20 and 31,280,358.80 is: 46,920,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,838,630.80 : 58,257,946.20 = 31,280,358.80 : x
  2. Step 2: Convert to fraction form
    38,838,630.80/58,257,946.20 = 31,280,358.80/x
  3. Step 3: Cross multiply
    38,838,630.80x = 58,257,946.20 × 31,280,358.80
  4. Step 4: Simplify right side
    38,838,630.80x = 1,822,329,460,087,096.75
  5. Step 5: Solve for x
    x = 1,822,329,460,087,096.75/38,838,630.80
  6. Step 6: Final answer
    x = 46,920,538.20

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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.