Home / 32,013.40-48,009.72-10,660.42

Finding the Fourth Proportional to 32,013.40, 48,009.72 and 10,660.42

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Solution

The fourth proportional to 32,013.40, 48,009.72 and 10,660.42 is: 15,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,013.40 : 48,009.72 = 10,660.42 : x
  2. Step 2: Convert to fraction form
    32,013.40/48,009.72 = 10,660.42/x
  3. Step 3: Cross multiply
    32,013.40x = 48,009.72 × 10,660.42
  4. Step 4: Simplify right side
    32,013.40x = 511,803,779.28
  5. Step 5: Solve for x
    x = 511,803,779.28/32,013.40
  6. Step 6: Final answer
    x = 15,987.17

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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.