Home / 53,108.12-79,711.32-26,831.24

Finding the Fourth Proportional to 53,108.12, 79,711.32 and 26,831.24

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Solution

The fourth proportional to 53,108.12, 79,711.32 and 26,831.24 is: 40,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.12 : 79,711.32 = 26,831.24 : x
  2. Step 2: Convert to fraction form
    53,108.12/79,711.32 = 26,831.24/x
  3. Step 3: Cross multiply
    53,108.12x = 79,711.32 × 26,831.24
  4. Step 4: Simplify right side
    53,108.12x = 2,138,753,557.64
  5. Step 5: Solve for x
    x = 2,138,753,557.64/53,108.12
  6. Step 6: Final answer
    x = 40,271.69

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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.