Home / 52,285.19-72,155.30-30,771.05

Finding the Fourth Proportional to 52,285.19, 72,155.30 and 30,771.05

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Solution

The fourth proportional to 52,285.19, 72,155.30 and 30,771.05 is: 42,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.19 : 72,155.30 = 30,771.05 : x
  2. Step 2: Convert to fraction form
    52,285.19/72,155.30 = 30,771.05/x
  3. Step 3: Cross multiply
    52,285.19x = 72,155.30 × 30,771.05
  4. Step 4: Simplify right side
    52,285.19x = 2,220,293,829.43
  5. Step 5: Solve for x
    x = 2,220,293,829.43/52,285.19
  6. Step 6: Final answer
    x = 42,465.07

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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.