Home / 39,681.77-54,712.95-34,294.46

Finding the Fourth Proportional to 39,681.77, 54,712.95 and 34,294.46

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Solution

The fourth proportional to 39,681.77, 54,712.95 and 34,294.46 is: 47,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,681.77 : 54,712.95 = 34,294.46 : x
  2. Step 2: Convert to fraction form
    39,681.77/54,712.95 = 34,294.46/x
  3. Step 3: Cross multiply
    39,681.77x = 54,712.95 × 34,294.46
  4. Step 4: Simplify right side
    39,681.77x = 1,876,351,075.26
  5. Step 5: Solve for x
    x = 1,876,351,075.26/39,681.77
  6. Step 6: Final answer
    x = 47,284.96

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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.