Home / 52,386.08-72,295.34-30,882.20

Finding the Fourth Proportional to 52,386.08, 72,295.34 and 30,882.20

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Solution

The fourth proportional to 52,386.08, 72,295.34 and 30,882.20 is: 42,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,386.08 : 72,295.34 = 30,882.20 : x
  2. Step 2: Convert to fraction form
    52,386.08/72,295.34 = 30,882.20/x
  3. Step 3: Cross multiply
    52,386.08x = 72,295.34 × 30,882.20
  4. Step 4: Simplify right side
    52,386.08x = 2,232,639,148.95
  5. Step 5: Solve for x
    x = 2,232,639,148.95/52,386.08
  6. Step 6: Final answer
    x = 42,618.94

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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.