Home / 34,681.60-47,860.77-19,574.90

Finding the Fourth Proportional to 34,681.60, 47,860.77 and 19,574.90

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Solution

The fourth proportional to 34,681.60, 47,860.77 and 19,574.90 is: 27,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.60 : 47,860.77 = 19,574.90 : x
  2. Step 2: Convert to fraction form
    34,681.60/47,860.77 = 19,574.90/x
  3. Step 3: Cross multiply
    34,681.60x = 47,860.77 × 19,574.90
  4. Step 4: Simplify right side
    34,681.60x = 936,869,800.25
  5. Step 5: Solve for x
    x = 936,869,800.25/34,681.60
  6. Step 6: Final answer
    x = 27,013.45

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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.