Home / 66,328.48-99,430.16-33,017.04

Finding the Fourth Proportional to 66,328.48, 99,430.16 and 33,017.04

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Solution

The fourth proportional to 66,328.48, 99,430.16 and 33,017.04 is: 49,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,328.48 : 99,430.16 = 33,017.04 : x
  2. Step 2: Convert to fraction form
    66,328.48/99,430.16 = 33,017.04/x
  3. Step 3: Cross multiply
    66,328.48x = 99,430.16 × 33,017.04
  4. Step 4: Simplify right side
    66,328.48x = 3,282,889,569.93
  5. Step 5: Solve for x
    x = 3,282,889,569.93/66,328.48
  6. Step 6: Final answer
    x = 49,494.42

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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.