Home / 37,450.28-51,681.72-21,316.79

Finding the Fourth Proportional to 37,450.28, 51,681.72 and 21,316.79

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Solution

The fourth proportional to 37,450.28, 51,681.72 and 21,316.79 is: 29,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,450.28 : 51,681.72 = 21,316.79 : x
  2. Step 2: Convert to fraction form
    37,450.28/51,681.72 = 21,316.79/x
  3. Step 3: Cross multiply
    37,450.28x = 51,681.72 × 21,316.79
  4. Step 4: Simplify right side
    37,450.28x = 1,101,688,113.67
  5. Step 5: Solve for x
    x = 1,101,688,113.67/37,450.28
  6. Step 6: Final answer
    x = 29,417.36

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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.