Home / 38,390.24-57,509.04-30,031.22

Finding the Fourth Proportional to 38,390.24, 57,509.04 and 30,031.22

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Solution

The fourth proportional to 38,390.24, 57,509.04 and 30,031.22 is: 44,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.24 : 57,509.04 = 30,031.22 : x
  2. Step 2: Convert to fraction form
    38,390.24/57,509.04 = 30,031.22/x
  3. Step 3: Cross multiply
    38,390.24x = 57,509.04 × 30,031.22
  4. Step 4: Simplify right side
    38,390.24x = 1,727,066,632.23
  5. Step 5: Solve for x
    x = 1,727,066,632.23/38,390.24
  6. Step 6: Final answer
    x = 44,987.13

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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.