Home / 35,931.64-49,581.88-20,829.04

Finding the Fourth Proportional to 35,931.64, 49,581.88 and 20,829.04

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Solution

The fourth proportional to 35,931.64, 49,581.88 and 20,829.04 is: 28,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.64 : 49,581.88 = 20,829.04 : x
  2. Step 2: Convert to fraction form
    35,931.64/49,581.88 = 20,829.04/x
  3. Step 3: Cross multiply
    35,931.64x = 49,581.88 × 20,829.04
  4. Step 4: Simplify right side
    35,931.64x = 1,032,742,961.80
  5. Step 5: Solve for x
    x = 1,032,742,961.80/35,931.64
  6. Step 6: Final answer
    x = 28,741.88

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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.