Home / 38,838,628.80-58,257,943.20-31,280,356.80

Finding the Fourth Proportional to 38,838,628.80, 58,257,943.20 and 31,280,356.80

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Solution

The fourth proportional to 38,838,628.80, 58,257,943.20 and 31,280,356.80 is: 46,920,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,838,628.80 : 58,257,943.20 = 31,280,356.80 : x
  2. Step 2: Convert to fraction form
    38,838,628.80/58,257,943.20 = 31,280,356.80/x
  3. Step 3: Cross multiply
    38,838,628.80x = 58,257,943.20 × 31,280,356.80
  4. Step 4: Simplify right side
    38,838,628.80x = 1,822,329,249,730,134
  5. Step 5: Solve for x
    x = 1,822,329,249,730,134/38,838,628.80
  6. Step 6: Final answer
    x = 46,920,535.20

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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.