Home / 40,681.96-56,146.43-23,686.49

Finding the Fourth Proportional to 40,681.96, 56,146.43 and 23,686.49

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Solution

The fourth proportional to 40,681.96, 56,146.43 and 23,686.49 is: 32,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.96 : 56,146.43 = 23,686.49 : x
  2. Step 2: Convert to fraction form
    40,681.96/56,146.43 = 23,686.49/x
  3. Step 3: Cross multiply
    40,681.96x = 56,146.43 × 23,686.49
  4. Step 4: Simplify right side
    40,681.96x = 1,329,911,940.01
  5. Step 5: Solve for x
    x = 1,329,911,940.01/40,681.96
  6. Step 6: Final answer
    x = 32,690.46

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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.