Home / 47,870.81-66,069.60-36,518.87

Finding the Fourth Proportional to 47,870.81, 66,069.60 and 36,518.87

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Solution

The fourth proportional to 47,870.81, 66,069.60 and 36,518.87 is: 50,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870.81 : 66,069.60 = 36,518.87 : x
  2. Step 2: Convert to fraction form
    47,870.81/66,069.60 = 36,518.87/x
  3. Step 3: Cross multiply
    47,870.81x = 66,069.60 × 36,518.87
  4. Step 4: Simplify right side
    47,870.81x = 2,412,786,803.00
  5. Step 5: Solve for x
    x = 2,412,786,803.00/47,870.81
  6. Step 6: Final answer
    x = 50,402.05

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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.