Home / 55,476.08-76,557.50-31,602.40

Finding the Fourth Proportional to 55,476.08, 76,557.50 and 31,602.40

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Solution

The fourth proportional to 55,476.08, 76,557.50 and 31,602.40 is: 43,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,476.08 : 76,557.50 = 31,602.40 : x
  2. Step 2: Convert to fraction form
    55,476.08/76,557.50 = 31,602.40/x
  3. Step 3: Cross multiply
    55,476.08x = 76,557.50 × 31,602.40
  4. Step 4: Simplify right side
    55,476.08x = 2,419,400,738
  5. Step 5: Solve for x
    x = 2,419,400,738/55,476.08
  6. Step 6: Final answer
    x = 43,611.60

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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.