Home / 40,915.16-56,468.28-30,334.92

Finding the Fourth Proportional to 40,915.16, 56,468.28 and 30,334.92

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Solution

The fourth proportional to 40,915.16, 56,468.28 and 30,334.92 is: 41,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.16 : 56,468.28 = 30,334.92 : x
  2. Step 2: Convert to fraction form
    40,915.16/56,468.28 = 30,334.92/x
  3. Step 3: Cross multiply
    40,915.16x = 56,468.28 × 30,334.92
  4. Step 4: Simplify right side
    40,915.16x = 1,712,960,756.34
  5. Step 5: Solve for x
    x = 1,712,960,756.34/40,915.16
  6. Step 6: Final answer
    x = 41,866.16

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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.