Home / 38,818-53,569.04-22,686.28

Finding the Fourth Proportional to 38,818, 53,569.04 and 22,686.28

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Solution

The fourth proportional to 38,818, 53,569.04 and 22,686.28 is: 31,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818 : 53,569.04 = 22,686.28 : x
  2. Step 2: Convert to fraction form
    38,818/53,569.04 = 22,686.28/x
  3. Step 3: Cross multiply
    38,818x = 53,569.04 × 22,686.28
  4. Step 4: Simplify right side
    38,818x = 1,215,282,240.77
  5. Step 5: Solve for x
    x = 1,215,282,240.77/38,818
  6. Step 6: Final answer
    x = 31,307.18

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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.