Home / 37,417.19-51,636.02-20,421.57

Finding the Fourth Proportional to 37,417.19, 51,636.02 and 20,421.57

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Solution

The fourth proportional to 37,417.19, 51,636.02 and 20,421.57 is: 28,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,417.19 : 51,636.02 = 20,421.57 : x
  2. Step 2: Convert to fraction form
    37,417.19/51,636.02 = 20,421.57/x
  3. Step 3: Cross multiply
    37,417.19x = 51,636.02 × 20,421.57
  4. Step 4: Simplify right side
    37,417.19x = 1,054,488,596.95
  5. Step 5: Solve for x
    x = 1,054,488,596.95/37,417.19
  6. Step 6: Final answer
    x = 28,181.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.