Home / 31,431.48-47,178.21-23,088.08

Finding the Fourth Proportional to 31,431.48, 47,178.21 and 23,088.08

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Solution

The fourth proportional to 31,431.48, 47,178.21 and 23,088.08 is: 34,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,431.48 : 47,178.21 = 23,088.08 : x
  2. Step 2: Convert to fraction form
    31,431.48/47,178.21 = 23,088.08/x
  3. Step 3: Cross multiply
    31,431.48x = 47,178.21 × 23,088.08
  4. Step 4: Simplify right side
    31,431.48x = 1,089,254,053.35
  5. Step 5: Solve for x
    x = 1,089,254,053.35/31,431.48
  6. Step 6: Final answer
    x = 34,654.87

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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.