Home / 53,216.16-73,438.80-29,343.69

Finding the Fourth Proportional to 53,216.16, 73,438.80 and 29,343.69

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Solution

The fourth proportional to 53,216.16, 73,438.80 and 29,343.69 is: 40,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.16 : 73,438.80 = 29,343.69 : x
  2. Step 2: Convert to fraction form
    53,216.16/73,438.80 = 29,343.69/x
  3. Step 3: Cross multiply
    53,216.16x = 73,438.80 × 29,343.69
  4. Step 4: Simplify right side
    53,216.16x = 2,154,965,381.17
  5. Step 5: Solve for x
    x = 2,154,965,381.17/53,216.16
  6. Step 6: Final answer
    x = 40,494.57

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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.