Home / 34,500.60-47,610.18-21,751.20

Finding the Fourth Proportional to 34,500.60, 47,610.18 and 21,751.20

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Solution

The fourth proportional to 34,500.60, 47,610.18 and 21,751.20 is: 30,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,500.60 : 47,610.18 = 21,751.20 : x
  2. Step 2: Convert to fraction form
    34,500.60/47,610.18 = 21,751.20/x
  3. Step 3: Cross multiply
    34,500.60x = 47,610.18 × 21,751.20
  4. Step 4: Simplify right side
    34,500.60x = 1,035,578,547.22
  5. Step 5: Solve for x
    x = 1,035,578,547.22/34,500.60
  6. Step 6: Final answer
    x = 30,016.25

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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.