Home / 65,411.02-90,268.16-36,736.89

Finding the Fourth Proportional to 65,411.02, 90,268.16 and 36,736.89

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Solution

The fourth proportional to 65,411.02, 90,268.16 and 36,736.89 is: 50,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,411.02 : 90,268.16 = 36,736.89 : x
  2. Step 2: Convert to fraction form
    65,411.02/90,268.16 = 36,736.89/x
  3. Step 3: Cross multiply
    65,411.02x = 90,268.16 × 36,736.89
  4. Step 4: Simplify right side
    65,411.02x = 3,316,171,055.07
  5. Step 5: Solve for x
    x = 3,316,171,055.07/65,411.02
  6. Step 6: Final answer
    x = 50,697.43

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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.