Home / 47,009.36-70,516.92-15,421.52

Finding the Fourth Proportional to 47,009.36, 70,516.92 and 15,421.52

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Solution

The fourth proportional to 47,009.36, 70,516.92 and 15,421.52 is: 23,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,009.36 : 70,516.92 = 15,421.52 : x
  2. Step 2: Convert to fraction form
    47,009.36/70,516.92 = 15,421.52/x
  3. Step 3: Cross multiply
    47,009.36x = 70,516.92 × 15,421.52
  4. Step 4: Simplify right side
    47,009.36x = 1,087,478,092.12
  5. Step 5: Solve for x
    x = 1,087,478,092.12/47,009.36
  6. Step 6: Final answer
    x = 23,133.22

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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.