Home / 60,315.60-90,429.66-40,545.12

Finding the Fourth Proportional to 60,315.60, 90,429.66 and 40,545.12

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Solution

The fourth proportional to 60,315.60, 90,429.66 and 40,545.12 is: 60,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,315.60 : 90,429.66 = 40,545.12 : x
  2. Step 2: Convert to fraction form
    60,315.60/90,429.66 = 40,545.12/x
  3. Step 3: Cross multiply
    60,315.60x = 90,429.66 × 40,545.12
  4. Step 4: Simplify right side
    60,315.60x = 3,666,481,416.26
  5. Step 5: Solve for x
    x = 3,666,481,416.26/60,315.60
  6. Step 6: Final answer
    x = 60,788.28

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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.