Home / 42,918.84-64,334.34-16,613.40

Finding the Fourth Proportional to 42,918.84, 64,334.34 and 16,613.40

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Solution

The fourth proportional to 42,918.84, 64,334.34 and 16,613.40 is: 24,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,918.84 : 64,334.34 = 16,613.40 : x
  2. Step 2: Convert to fraction form
    42,918.84/64,334.34 = 16,613.40/x
  3. Step 3: Cross multiply
    42,918.84x = 64,334.34 × 16,613.40
  4. Step 4: Simplify right side
    42,918.84x = 1,068,812,124.16
  5. Step 5: Solve for x
    x = 1,068,812,124.16/42,918.84
  6. Step 6: Final answer
    x = 24,903.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.