Home / 66,530.32-91,799.55-37,848.30

Finding the Fourth Proportional to 66,530.32, 91,799.55 and 37,848.30

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Solution

The fourth proportional to 66,530.32, 91,799.55 and 37,848.30 is: 52,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,530.32 : 91,799.55 = 37,848.30 : x
  2. Step 2: Convert to fraction form
    66,530.32/91,799.55 = 37,848.30/x
  3. Step 3: Cross multiply
    66,530.32x = 91,799.55 × 37,848.30
  4. Step 4: Simplify right side
    66,530.32x = 3,474,457,080.39
  5. Step 5: Solve for x
    x = 3,474,457,080.39/66,530.32
  6. Step 6: Final answer
    x = 52,223.67

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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.