Home / 64,948.23-89,618.95-39,441.33

Finding the Fourth Proportional to 64,948.23, 89,618.95 and 39,441.33

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Solution

The fourth proportional to 64,948.23, 89,618.95 and 39,441.33 is: 54,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,948.23 : 89,618.95 = 39,441.33 : x
  2. Step 2: Convert to fraction form
    64,948.23/89,618.95 = 39,441.33/x
  3. Step 3: Cross multiply
    64,948.23x = 89,618.95 × 39,441.33
  4. Step 4: Simplify right side
    64,948.23x = 3,534,690,482.60
  5. Step 5: Solve for x
    x = 3,534,690,482.60/64,948.23
  6. Step 6: Final answer
    x = 54,423.20

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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.