Home / 53,117.12-79,724.90-26,840.32

Finding the Fourth Proportional to 53,117.12, 79,724.90 and 26,840.32

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Solution

The fourth proportional to 53,117.12, 79,724.90 and 26,840.32 is: 40,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.12 : 79,724.90 = 26,840.32 : x
  2. Step 2: Convert to fraction form
    53,117.12/79,724.90 = 26,840.32/x
  3. Step 3: Cross multiply
    53,117.12x = 79,724.90 × 26,840.32
  4. Step 4: Simplify right side
    53,117.12x = 2,139,841,695.76
  5. Step 5: Solve for x
    x = 2,139,841,695.76/53,117.12
  6. Step 6: Final answer
    x = 40,285.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.