Home / 35,335.08-48,761.85-19,419.20

Finding the Fourth Proportional to 35,335.08, 48,761.85 and 19,419.20

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Solution

The fourth proportional to 35,335.08, 48,761.85 and 19,419.20 is: 26,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.08 : 48,761.85 = 19,419.20 : x
  2. Step 2: Convert to fraction form
    35,335.08/48,761.85 = 19,419.20/x
  3. Step 3: Cross multiply
    35,335.08x = 48,761.85 × 19,419.20
  4. Step 4: Simplify right side
    35,335.08x = 946,915,873.71
  5. Step 5: Solve for x
    x = 946,915,873.71/35,335.08
  6. Step 6: Final answer
    x = 26,798.18

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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.