Home / 38,439.79-53,044.32-22,307.58

Finding the Fourth Proportional to 38,439.79, 53,044.32 and 22,307.58

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Solution

The fourth proportional to 38,439.79, 53,044.32 and 22,307.58 is: 30,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.79 : 53,044.32 = 22,307.58 : x
  2. Step 2: Convert to fraction form
    38,439.79/53,044.32 = 22,307.58/x
  3. Step 3: Cross multiply
    38,439.79x = 53,044.32 × 22,307.58
  4. Step 4: Simplify right side
    38,439.79x = 1,183,290,411.95
  5. Step 5: Solve for x
    x = 1,183,290,411.95/38,439.79
  6. Step 6: Final answer
    x = 30,782.96

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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.