Home / 55,985.00-77,261.49-31,788.23

Finding the Fourth Proportional to 55,985.00, 77,261.49 and 31,788.23

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Solution

The fourth proportional to 55,985.00, 77,261.49 and 31,788.23 is: 43,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,985.00 : 77,261.49 = 31,788.23 : x
  2. Step 2: Convert to fraction form
    55,985.00/77,261.49 = 31,788.23/x
  3. Step 3: Cross multiply
    55,985.00x = 77,261.49 × 31,788.23
  4. Step 4: Simplify right side
    55,985.00x = 2,456,005,627.96
  5. Step 5: Solve for x
    x = 2,456,005,627.96/55,985.00
  6. Step 6: Final answer
    x = 43,869.00

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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.