Home / 48,275.65-72,420.38-18,281.80

Finding the Fourth Proportional to 48,275.65, 72,420.38 and 18,281.80

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Solution

The fourth proportional to 48,275.65, 72,420.38 and 18,281.80 is: 27,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,275.65 : 72,420.38 = 18,281.80 : x
  2. Step 2: Convert to fraction form
    48,275.65/72,420.38 = 18,281.80/x
  3. Step 3: Cross multiply
    48,275.65x = 72,420.38 × 18,281.80
  4. Step 4: Simplify right side
    48,275.65x = 1,323,974,970.76
  5. Step 5: Solve for x
    x = 1,323,974,970.76/48,275.65
  6. Step 6: Final answer
    x = 27,425.32

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1.5x scale

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.