Home / 55,696.03-76,864.59-31,822.19

Finding the Fourth Proportional to 55,696.03, 76,864.59 and 31,822.19

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Solution

The fourth proportional to 55,696.03, 76,864.59 and 31,822.19 is: 43,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,696.03 : 76,864.59 = 31,822.19 : x
  2. Step 2: Convert to fraction form
    55,696.03/76,864.59 = 31,822.19/x
  3. Step 3: Cross multiply
    55,696.03x = 76,864.59 × 31,822.19
  4. Step 4: Simplify right side
    55,696.03x = 2,445,999,587.25
  5. Step 5: Solve for x
    x = 2,445,999,587.25/55,696.03
  6. Step 6: Final answer
    x = 43,916.95

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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.