Home / 52,842.75-72,925.20-28,970.34

Finding the Fourth Proportional to 52,842.75, 72,925.20 and 28,970.34

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Solution

The fourth proportional to 52,842.75, 72,925.20 and 28,970.34 is: 39,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,842.75 : 72,925.20 = 28,970.34 : x
  2. Step 2: Convert to fraction form
    52,842.75/72,925.20 = 28,970.34/x
  3. Step 3: Cross multiply
    52,842.75x = 72,925.20 × 28,970.34
  4. Step 4: Simplify right side
    52,842.75x = 2,112,667,838.57
  5. Step 5: Solve for x
    x = 2,112,667,838.57/52,842.75
  6. Step 6: Final answer
    x = 39,980.28

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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.