Home / 38,897.40-58,307.70-19,159.80

Finding the Fourth Proportional to 38,897.40, 58,307.70 and 19,159.80

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Solution

The fourth proportional to 38,897.40, 58,307.70 and 19,159.80 is: 28,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.40 : 58,307.70 = 19,159.80 : x
  2. Step 2: Convert to fraction form
    38,897.40/58,307.70 = 19,159.80/x
  3. Step 3: Cross multiply
    38,897.40x = 58,307.70 × 19,159.80
  4. Step 4: Simplify right side
    38,897.40x = 1,117,163,870.46
  5. Step 5: Solve for x
    x = 1,117,163,870.46/38,897.40
  6. Step 6: Final answer
    x = 28,720.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.