Home / 42,623.52-63,888.64-16,316.80

Finding the Fourth Proportional to 42,623.52, 63,888.64 and 16,316.80

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Solution

The fourth proportional to 42,623.52, 63,888.64 and 16,316.80 is: 24,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.52 : 63,888.64 = 16,316.80 : x
  2. Step 2: Convert to fraction form
    42,623.52/63,888.64 = 16,316.80/x
  3. Step 3: Cross multiply
    42,623.52x = 63,888.64 × 16,316.80
  4. Step 4: Simplify right side
    42,623.52x = 1,042,458,161.15
  5. Step 5: Solve for x
    x = 1,042,458,161.15/42,623.52
  6. Step 6: Final answer
    x = 24,457.35

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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.