Home / 56,101.50-77,421.75-30,952.62

Finding the Fourth Proportional to 56,101.50, 77,421.75 and 30,952.62

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Solution

The fourth proportional to 56,101.50, 77,421.75 and 30,952.62 is: 42,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,101.50 : 77,421.75 = 30,952.62 : x
  2. Step 2: Convert to fraction form
    56,101.50/77,421.75 = 30,952.62/x
  3. Step 3: Cross multiply
    56,101.50x = 77,421.75 × 30,952.62
  4. Step 4: Simplify right side
    56,101.50x = 2,396,406,007.49
  5. Step 5: Solve for x
    x = 2,396,406,007.49/56,101.50
  6. Step 6: Final answer
    x = 42,715.54

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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.