Home / 35,695.60-49,259.19-19,779.91

Finding the Fourth Proportional to 35,695.60, 49,259.19 and 19,779.91

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Solution

The fourth proportional to 35,695.60, 49,259.19 and 19,779.91 is: 27,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,695.60 : 49,259.19 = 19,779.91 : x
  2. Step 2: Convert to fraction form
    35,695.60/49,259.19 = 19,779.91/x
  3. Step 3: Cross multiply
    35,695.60x = 49,259.19 × 19,779.91
  4. Step 4: Simplify right side
    35,695.60x = 974,342,344.87
  5. Step 5: Solve for x
    x = 974,342,344.87/35,695.60
  6. Step 6: Final answer
    x = 27,295.87

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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.