Home / 31,001.36-42,802.48-23,818.48

Finding the Fourth Proportional to 31,001.36, 42,802.48 and 23,818.48

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Solution

The fourth proportional to 31,001.36, 42,802.48 and 23,818.48 is: 32,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,001.36 : 42,802.48 = 23,818.48 : x
  2. Step 2: Convert to fraction form
    31,001.36/42,802.48 = 23,818.48/x
  3. Step 3: Cross multiply
    31,001.36x = 42,802.48 × 23,818.48
  4. Step 4: Simplify right side
    31,001.36x = 1,019,490,013.83
  5. Step 5: Solve for x
    x = 1,019,490,013.83/31,001.36
  6. Step 6: Final answer
    x = 32,885.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.