Home / 56,024.50-77,315.43-30,875.62

Finding the Fourth Proportional to 56,024.50, 77,315.43 and 30,875.62

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Solution

The fourth proportional to 56,024.50, 77,315.43 and 30,875.62 is: 42,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,024.50 : 77,315.43 = 30,875.62 : x
  2. Step 2: Convert to fraction form
    56,024.50/77,315.43 = 30,875.62/x
  3. Step 3: Cross multiply
    56,024.50x = 77,315.43 × 30,875.62
  4. Step 4: Simplify right side
    56,024.50x = 2,387,161,836.82
  5. Step 5: Solve for x
    x = 2,387,161,836.82/56,024.50
  6. Step 6: Final answer
    x = 42,609.25

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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.