Home / 56,523.56-78,002.82-35,315.13

Finding the Fourth Proportional to 56,523.56, 78,002.82 and 35,315.13

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Solution

The fourth proportional to 56,523.56, 78,002.82 and 35,315.13 is: 48,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,523.56 : 78,002.82 = 35,315.13 : x
  2. Step 2: Convert to fraction form
    56,523.56/78,002.82 = 35,315.13/x
  3. Step 3: Cross multiply
    56,523.56x = 78,002.82 × 35,315.13
  4. Step 4: Simplify right side
    56,523.56x = 2,754,679,728.67
  5. Step 5: Solve for x
    x = 2,754,679,728.67/56,523.56
  6. Step 6: Final answer
    x = 48,735.07

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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.