Home / 35,281.18-48,686.25-20,941.64

Finding the Fourth Proportional to 35,281.18, 48,686.25 and 20,941.64

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Solution

The fourth proportional to 35,281.18, 48,686.25 and 20,941.64 is: 28,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,281.18 : 48,686.25 = 20,941.64 : x
  2. Step 2: Convert to fraction form
    35,281.18/48,686.25 = 20,941.64/x
  3. Step 3: Cross multiply
    35,281.18x = 48,686.25 × 20,941.64
  4. Step 4: Simplify right side
    35,281.18x = 1,019,569,572.31
  5. Step 5: Solve for x
    x = 1,019,569,572.31/35,281.18
  6. Step 6: Final answer
    x = 28,898.40

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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.