Home / 45,081.18-62,263.08-30,716.10

Finding the Fourth Proportional to 45,081.18, 62,263.08 and 30,716.10

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Solution

The fourth proportional to 45,081.18, 62,263.08 and 30,716.10 is: 42,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,081.18 : 62,263.08 = 30,716.10 : x
  2. Step 2: Convert to fraction form
    45,081.18/62,263.08 = 30,716.10/x
  3. Step 3: Cross multiply
    45,081.18x = 62,263.08 × 30,716.10
  4. Step 4: Simplify right side
    45,081.18x = 1,912,478,991.59
  5. Step 5: Solve for x
    x = 1,912,478,991.59/45,081.18
  6. Step 6: Final answer
    x = 42,423.00

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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.