Home / 61,615.47-92,423.93-21,635.45

Finding the Fourth Proportional to 61,615.47, 92,423.93 and 21,635.45

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Solution

The fourth proportional to 61,615.47, 92,423.93 and 21,635.45 is: 32,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,615.47 : 92,423.93 = 21,635.45 : x
  2. Step 2: Convert to fraction form
    61,615.47/92,423.93 = 21,635.45/x
  3. Step 3: Cross multiply
    61,615.47x = 92,423.93 × 21,635.45
  4. Step 4: Simplify right side
    61,615.47x = 1,999,632,746.02
  5. Step 5: Solve for x
    x = 1,999,632,746.02/61,615.47
  6. Step 6: Final answer
    x = 32,453.42

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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.