Home / 41,985.30-62,977.95-13,897.80

Finding the Fourth Proportional to 41,985.30, 62,977.95 and 13,897.80

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Solution

The fourth proportional to 41,985.30, 62,977.95 and 13,897.80 is: 20,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.30 : 62,977.95 = 13,897.80 : x
  2. Step 2: Convert to fraction form
    41,985.30/62,977.95 = 13,897.80/x
  3. Step 3: Cross multiply
    41,985.30x = 62,977.95 × 13,897.80
  4. Step 4: Simplify right side
    41,985.30x = 875,254,953.51
  5. Step 5: Solve for x
    x = 875,254,953.51/41,985.30
  6. Step 6: Final answer
    x = 20,846.70

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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.