Home / 56,030.50-77,323.74-30,881.62

Finding the Fourth Proportional to 56,030.50, 77,323.74 and 30,881.62

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Solution

The fourth proportional to 56,030.50, 77,323.74 and 30,881.62 is: 42,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,030.50 : 77,323.74 = 30,881.62 : x
  2. Step 2: Convert to fraction form
    56,030.50/77,323.74 = 30,881.62/x
  3. Step 3: Cross multiply
    56,030.50x = 77,323.74 × 30,881.62
  4. Step 4: Simplify right side
    56,030.50x = 2,387,882,355.66
  5. Step 5: Solve for x
    x = 2,387,882,355.66/56,030.50
  6. Step 6: Final answer
    x = 42,617.55

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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.