Home / 47,030.31-70,555.19-15,864.75

Finding the Fourth Proportional to 47,030.31, 70,555.19 and 15,864.75

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Solution

The fourth proportional to 47,030.31, 70,555.19 and 15,864.75 is: 23,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030.31 : 70,555.19 = 15,864.75 : x
  2. Step 2: Convert to fraction form
    47,030.31/70,555.19 = 15,864.75/x
  3. Step 3: Cross multiply
    47,030.31x = 70,555.19 × 15,864.75
  4. Step 4: Simplify right side
    47,030.31x = 1,119,340,371.23
  5. Step 5: Solve for x
    x = 1,119,340,371.23/47,030.31
  6. Step 6: Final answer
    x = 23,800.40

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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.