Home / 40,312.47-55,611.86-34,713.75

Finding the Fourth Proportional to 40,312.47, 55,611.86 and 34,713.75

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Solution

The fourth proportional to 40,312.47, 55,611.86 and 34,713.75 is: 47,888.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.47 : 55,611.86 = 34,713.75 : x
  2. Step 2: Convert to fraction form
    40,312.47/55,611.86 = 34,713.75/x
  3. Step 3: Cross multiply
    40,312.47x = 55,611.86 × 34,713.75
  4. Step 4: Simplify right side
    40,312.47x = 1,930,496,031.51
  5. Step 5: Solve for x
    x = 1,930,496,031.51/40,312.47
  6. Step 6: Final answer
    x = 47,888.31

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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.