Home / 35,305.95-48,720.28-19,387.83

Finding the Fourth Proportional to 35,305.95, 48,720.28 and 19,387.83

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Solution

The fourth proportional to 35,305.95, 48,720.28 and 19,387.83 is: 26,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.95 : 48,720.28 = 19,387.83 : x
  2. Step 2: Convert to fraction form
    35,305.95/48,720.28 = 19,387.83/x
  3. Step 3: Cross multiply
    35,305.95x = 48,720.28 × 19,387.83
  4. Step 4: Simplify right side
    35,305.95x = 944,580,506.19
  5. Step 5: Solve for x
    x = 944,580,506.19/35,305.95
  6. Step 6: Final answer
    x = 26,754.15

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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.