Home / 65,276.04-90,089.10-36,990.84

Finding the Fourth Proportional to 65,276.04, 90,089.10 and 36,990.84

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Solution

The fourth proportional to 65,276.04, 90,089.10 and 36,990.84 is: 51,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,276.04 : 90,089.10 = 36,990.84 : x
  2. Step 2: Convert to fraction form
    65,276.04/90,089.10 = 36,990.84/x
  3. Step 3: Cross multiply
    65,276.04x = 90,089.10 × 36,990.84
  4. Step 4: Simplify right side
    65,276.04x = 3,332,471,483.84
  5. Step 5: Solve for x
    x = 3,332,471,483.84/65,276.04
  6. Step 6: Final answer
    x = 51,051.99

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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.