Home / 45,952.19-68,937.51-20,985.53

Finding the Fourth Proportional to 45,952.19, 68,937.51 and 20,985.53

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Solution

The fourth proportional to 45,952.19, 68,937.51 and 20,985.53 is: 31,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,952.19 : 68,937.51 = 20,985.53 : x
  2. Step 2: Convert to fraction form
    45,952.19/68,937.51 = 20,985.53/x
  3. Step 3: Cross multiply
    45,952.19x = 68,937.51 × 20,985.53
  4. Step 4: Simplify right side
    45,952.19x = 1,446,689,839.54
  5. Step 5: Solve for x
    x = 1,446,689,839.54/45,952.19
  6. Step 6: Final answer
    x = 31,482.50

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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.