Home / 44,302.40-66,430.65-13,133.60

Finding the Fourth Proportional to 44,302.40, 66,430.65 and 13,133.60

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Solution

The fourth proportional to 44,302.40, 66,430.65 and 13,133.60 is: 19,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,302.40 : 66,430.65 = 13,133.60 : x
  2. Step 2: Convert to fraction form
    44,302.40/66,430.65 = 13,133.60/x
  3. Step 3: Cross multiply
    44,302.40x = 66,430.65 × 13,133.60
  4. Step 4: Simplify right side
    44,302.40x = 872,473,584.84
  5. Step 5: Solve for x
    x = 872,473,584.84/44,302.40
  6. Step 6: Final answer
    x = 19,693.60

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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.