Home / 55,623.24-76,702.55-38,646.72

Finding the Fourth Proportional to 55,623.24, 76,702.55 and 38,646.72

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Solution

The fourth proportional to 55,623.24, 76,702.55 and 38,646.72 is: 53,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,623.24 : 76,702.55 = 38,646.72 : x
  2. Step 2: Convert to fraction form
    55,623.24/76,702.55 = 38,646.72/x
  3. Step 3: Cross multiply
    55,623.24x = 76,702.55 × 38,646.72
  4. Step 4: Simplify right side
    55,623.24x = 2,964,301,779.90
  5. Step 5: Solve for x
    x = 2,964,301,779.90/55,623.24
  6. Step 6: Final answer
    x = 53,292.50

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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.