Home / 45,334.05-62,569.94-28,970.79

Finding the Fourth Proportional to 45,334.05, 62,569.94 and 28,970.79

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Solution

The fourth proportional to 45,334.05, 62,569.94 and 28,970.79 is: 39,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,334.05 : 62,569.94 = 28,970.79 : x
  2. Step 2: Convert to fraction form
    45,334.05/62,569.94 = 28,970.79/x
  3. Step 3: Cross multiply
    45,334.05x = 62,569.94 × 28,970.79
  4. Step 4: Simplify right side
    45,334.05x = 1,812,700,447.20
  5. Step 5: Solve for x
    x = 1,812,700,447.20/45,334.05
  6. Step 6: Final answer
    x = 39,985.41

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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.