Home / 65,438.23-90,281.03-37,127.51

Finding the Fourth Proportional to 65,438.23, 90,281.03 and 37,127.51

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Solution

The fourth proportional to 65,438.23, 90,281.03 and 37,127.51 is: 51,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,438.23 : 90,281.03 = 37,127.51 : x
  2. Step 2: Convert to fraction form
    65,438.23/90,281.03 = 37,127.51/x
  3. Step 3: Cross multiply
    65,438.23x = 90,281.03 × 37,127.51
  4. Step 4: Simplify right side
    65,438.23x = 3,351,910,162.66
  5. Step 5: Solve for x
    x = 3,351,910,162.66/65,438.23
  6. Step 6: Final answer
    x = 51,222.51

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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.