Home / 40,689.64-56,157.39-29,395.67

Finding the Fourth Proportional to 40,689.64, 56,157.39 and 29,395.67

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Solution

The fourth proportional to 40,689.64, 56,157.39 and 29,395.67 is: 40,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.64 : 56,157.39 = 29,395.67 : x
  2. Step 2: Convert to fraction form
    40,689.64/56,157.39 = 29,395.67/x
  3. Step 3: Cross multiply
    40,689.64x = 56,157.39 × 29,395.67
  4. Step 4: Simplify right side
    40,689.64x = 1,650,783,957.52
  5. Step 5: Solve for x
    x = 1,650,783,957.52/40,689.64
  6. Step 6: Final answer
    x = 40,570.13

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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.