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Finding the Fourth Proportional to 44,509.80, 61,430.02 and 25,643.24

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Solution

The fourth proportional to 44,509.80, 61,430.02 and 25,643.24 is: 35,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,509.80 : 61,430.02 = 25,643.24 : x
  2. Step 2: Convert to fraction form
    44,509.80/61,430.02 = 25,643.24/x
  3. Step 3: Cross multiply
    44,509.80x = 61,430.02 × 25,643.24
  4. Step 4: Simplify right side
    44,509.80x = 1,575,264,746.06
  5. Step 5: Solve for x
    x = 1,575,264,746.06/44,509.80
  6. Step 6: Final answer
    x = 35,391.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.