Home / 47,030.56-70,555.56-15,865

Finding the Fourth Proportional to 47,030.56, 70,555.56 and 15,865

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Solution

The fourth proportional to 47,030.56, 70,555.56 and 15,865 is: 23,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030.56 : 70,555.56 = 15,865 : x
  2. Step 2: Convert to fraction form
    47,030.56/70,555.56 = 15,865/x
  3. Step 3: Cross multiply
    47,030.56x = 70,555.56 × 15,865
  4. Step 4: Simplify right side
    47,030.56x = 1,119,363,959.40
  5. Step 5: Solve for x
    x = 1,119,363,959.40/47,030.56
  6. Step 6: Final answer
    x = 23,800.78

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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.