Home / 52,486.54-72,430.85-28,612.69

Finding the Fourth Proportional to 52,486.54, 72,430.85 and 28,612.69

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Solution

The fourth proportional to 52,486.54, 72,430.85 and 28,612.69 is: 39,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486.54 : 72,430.85 = 28,612.69 : x
  2. Step 2: Convert to fraction form
    52,486.54/72,430.85 = 28,612.69/x
  3. Step 3: Cross multiply
    52,486.54x = 72,430.85 × 28,612.69
  4. Step 4: Simplify right side
    52,486.54x = 2,072,441,347.94
  5. Step 5: Solve for x
    x = 2,072,441,347.94/52,486.54
  6. Step 6: Final answer
    x = 39,485.20

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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.