Home / 52,588.09-78,913.34-21,013.05

Finding the Fourth Proportional to 52,588.09, 78,913.34 and 21,013.05

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Solution

The fourth proportional to 52,588.09, 78,913.34 and 21,013.05 is: 31,532.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,588.09 : 78,913.34 = 21,013.05 : x
  2. Step 2: Convert to fraction form
    52,588.09/78,913.34 = 21,013.05/x
  3. Step 3: Cross multiply
    52,588.09x = 78,913.34 × 21,013.05
  4. Step 4: Simplify right side
    52,588.09x = 1,658,209,562.91
  5. Step 5: Solve for x
    x = 1,658,209,562.91/52,588.09
  6. Step 6: Final answer
    x = 31,532.04

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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.