Home / 53,033.16-79,570.80-21,861.12

Finding the Fourth Proportional to 53,033.16, 79,570.80 and 21,861.12

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Solution

The fourth proportional to 53,033.16, 79,570.80 and 21,861.12 is: 32,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,033.16 : 79,570.80 = 21,861.12 : x
  2. Step 2: Convert to fraction form
    53,033.16/79,570.80 = 21,861.12/x
  3. Step 3: Cross multiply
    53,033.16x = 79,570.80 × 21,861.12
  4. Step 4: Simplify right side
    53,033.16x = 1,739,506,807.30
  5. Step 5: Solve for x
    x = 1,739,506,807.30/53,033.16
  6. Step 6: Final answer
    x = 32,800.36

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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.