Home / 30,287.00-45,430.70-10,565.48

Finding the Fourth Proportional to 30,287.00, 45,430.70 and 10,565.48

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Solution

The fourth proportional to 30,287.00, 45,430.70 and 10,565.48 is: 15,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.00 : 45,430.70 = 10,565.48 : x
  2. Step 2: Convert to fraction form
    30,287.00/45,430.70 = 10,565.48/x
  3. Step 3: Cross multiply
    30,287.00x = 45,430.70 × 10,565.48
  4. Step 4: Simplify right side
    30,287.00x = 479,996,872.26
  5. Step 5: Solve for x
    x = 479,996,872.26/30,287.00
  6. Step 6: Final answer
    x = 15,848.28

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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.