Home / 66,804.21-92,189.61-37,729.40

Finding the Fourth Proportional to 66,804.21, 92,189.61 and 37,729.40

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Solution

The fourth proportional to 66,804.21, 92,189.61 and 37,729.40 is: 52,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,804.21 : 92,189.61 = 37,729.40 : x
  2. Step 2: Convert to fraction form
    66,804.21/92,189.61 = 37,729.40/x
  3. Step 3: Cross multiply
    66,804.21x = 92,189.61 × 37,729.40
  4. Step 4: Simplify right side
    66,804.21x = 3,478,258,210.59
  5. Step 5: Solve for x
    x = 3,478,258,210.59/66,804.21
  6. Step 6: Final answer
    x = 52,066.45

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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.