Home / 65,576.23-90,510.30-38,364.93

Finding the Fourth Proportional to 65,576.23, 90,510.30 and 38,364.93

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Solution

The fourth proportional to 65,576.23, 90,510.30 and 38,364.93 is: 52,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,576.23 : 90,510.30 = 38,364.93 : x
  2. Step 2: Convert to fraction form
    65,576.23/90,510.30 = 38,364.93/x
  3. Step 3: Cross multiply
    65,576.23x = 90,510.30 × 38,364.93
  4. Step 4: Simplify right side
    65,576.23x = 3,472,421,323.78
  5. Step 5: Solve for x
    x = 3,472,421,323.78/65,576.23
  6. Step 6: Final answer
    x = 52,952.44

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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.