Home / 38,300.74-52,848.53-21,302.74

Finding the Fourth Proportional to 38,300.74, 52,848.53 and 21,302.74

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Solution

The fourth proportional to 38,300.74, 52,848.53 and 21,302.74 is: 29,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.74 : 52,848.53 = 21,302.74 : x
  2. Step 2: Convert to fraction form
    38,300.74/52,848.53 = 21,302.74/x
  3. Step 3: Cross multiply
    38,300.74x = 52,848.53 × 21,302.74
  4. Step 4: Simplify right side
    38,300.74x = 1,125,818,493.97
  5. Step 5: Solve for x
    x = 1,125,818,493.97/38,300.74
  6. Step 6: Final answer
    x = 29,394.17

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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.