Home / 51,284.07-70,772.40-28,624.50

Finding the Fourth Proportional to 51,284.07, 70,772.40 and 28,624.50

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Solution

The fourth proportional to 51,284.07, 70,772.40 and 28,624.50 is: 39,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284.07 : 70,772.40 = 28,624.50 : x
  2. Step 2: Convert to fraction form
    51,284.07/70,772.40 = 28,624.50/x
  3. Step 3: Cross multiply
    51,284.07x = 70,772.40 × 28,624.50
  4. Step 4: Simplify right side
    51,284.07x = 2,025,824,563.80
  5. Step 5: Solve for x
    x = 2,025,824,563.80/51,284.07
  6. Step 6: Final answer
    x = 39,502.02

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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.