Home / 35,587.79-49,116.03-20,480.14

Finding the Fourth Proportional to 35,587.79, 49,116.03 and 20,480.14

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Solution

The fourth proportional to 35,587.79, 49,116.03 and 20,480.14 is: 28,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,587.79 : 49,116.03 = 20,480.14 : x
  2. Step 2: Convert to fraction form
    35,587.79/49,116.03 = 20,480.14/x
  3. Step 3: Cross multiply
    35,587.79x = 49,116.03 × 20,480.14
  4. Step 4: Simplify right side
    35,587.79x = 1,005,903,170.64
  5. Step 5: Solve for x
    x = 1,005,903,170.64/35,587.79
  6. Step 6: Final answer
    x = 28,265.40

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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.