Home / 47,015.30-70,547.20-31,231.24

Finding the Fourth Proportional to 47,015.30, 70,547.20 and 31,231.24

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Solution

The fourth proportional to 47,015.30, 70,547.20 and 31,231.24 is: 46,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,015.30 : 70,547.20 = 31,231.24 : x
  2. Step 2: Convert to fraction form
    47,015.30/70,547.20 = 31,231.24/x
  3. Step 3: Cross multiply
    47,015.30x = 70,547.20 × 31,231.24
  4. Step 4: Simplify right side
    47,015.30x = 2,203,276,280.08
  5. Step 5: Solve for x
    x = 2,203,276,280.08/47,015.30
  6. Step 6: Final answer
    x = 46,862.96

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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.