Home / 30,005.66-45,036.73-15,225.18

Finding the Fourth Proportional to 30,005.66, 45,036.73 and 15,225.18

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Solution

The fourth proportional to 30,005.66, 45,036.73 and 15,225.18 is: 22,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.66 : 45,036.73 = 15,225.18 : x
  2. Step 2: Convert to fraction form
    30,005.66/45,036.73 = 15,225.18/x
  3. Step 3: Cross multiply
    30,005.66x = 45,036.73 × 15,225.18
  4. Step 4: Simplify right side
    30,005.66x = 685,692,358.92
  5. Step 5: Solve for x
    x = 685,692,358.92/30,005.66
  6. Step 6: Final answer
    x = 22,852.10

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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.