Home / 48,010.20-72,036.90-21,701.40

Finding the Fourth Proportional to 48,010.20, 72,036.90 and 21,701.40

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Solution

The fourth proportional to 48,010.20, 72,036.90 and 21,701.40 is: 32,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,010.20 : 72,036.90 = 21,701.40 : x
  2. Step 2: Convert to fraction form
    48,010.20/72,036.90 = 21,701.40/x
  3. Step 3: Cross multiply
    48,010.20x = 72,036.90 × 21,701.40
  4. Step 4: Simplify right side
    48,010.20x = 1,563,301,581.66
  5. Step 5: Solve for x
    x = 1,563,301,581.66/48,010.20
  6. Step 6: Final answer
    x = 32,561.86

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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.