Home / 30,289.47-45,438.39-10,565.16

Finding the Fourth Proportional to 30,289.47, 45,438.39 and 10,565.16

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Solution

The fourth proportional to 30,289.47, 45,438.39 and 10,565.16 is: 15,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.47 : 45,438.39 = 10,565.16 : x
  2. Step 2: Convert to fraction form
    30,289.47/45,438.39 = 10,565.16/x
  3. Step 3: Cross multiply
    30,289.47x = 45,438.39 × 10,565.16
  4. Step 4: Simplify right side
    30,289.47x = 480,063,860.49
  5. Step 5: Solve for x
    x = 480,063,860.49/30,289.47
  6. Step 6: Final answer
    x = 15,849.20

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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.