Home / 61,980.19-85,532.96-33,685.88

Finding the Fourth Proportional to 61,980.19, 85,532.96 and 33,685.88

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Solution

The fourth proportional to 61,980.19, 85,532.96 and 33,685.88 is: 46,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.19 : 85,532.96 = 33,685.88 : x
  2. Step 2: Convert to fraction form
    61,980.19/85,532.96 = 33,685.88/x
  3. Step 3: Cross multiply
    61,980.19x = 85,532.96 × 33,685.88
  4. Step 4: Simplify right side
    61,980.19x = 2,881,252,683.15
  5. Step 5: Solve for x
    x = 2,881,252,683.15/61,980.19
  6. Step 6: Final answer
    x = 46,486.67

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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.