Home / 53,376.12-80,035.20-26,663.76

Finding the Fourth Proportional to 53,376.12, 80,035.20 and 26,663.76

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Solution

The fourth proportional to 53,376.12, 80,035.20 and 26,663.76 is: 39,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,376.12 : 80,035.20 = 26,663.76 : x
  2. Step 2: Convert to fraction form
    53,376.12/80,035.20 = 26,663.76/x
  3. Step 3: Cross multiply
    53,376.12x = 80,035.20 × 26,663.76
  4. Step 4: Simplify right side
    53,376.12x = 2,134,039,364.35
  5. Step 5: Solve for x
    x = 2,134,039,364.35/53,376.12
  6. Step 6: Final answer
    x = 39,981.16

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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.