Home / 70,638.06-97,485.99-40,432.86

Finding the Fourth Proportional to 70,638.06, 97,485.99 and 40,432.86

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Solution

The fourth proportional to 70,638.06, 97,485.99 and 40,432.86 is: 55,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,638.06 : 97,485.99 = 40,432.86 : x
  2. Step 2: Convert to fraction form
    70,638.06/97,485.99 = 40,432.86/x
  3. Step 3: Cross multiply
    70,638.06x = 97,485.99 × 40,432.86
  4. Step 4: Simplify right side
    70,638.06x = 3,941,636,868.44
  5. Step 5: Solve for x
    x = 3,941,636,868.44/70,638.06
  6. Step 6: Final answer
    x = 55,800.47

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1.5x scale

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.