Home / 51,229.84-70,688.10-28,567.04

Finding the Fourth Proportional to 51,229.84, 70,688.10 and 28,567.04

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Solution

The fourth proportional to 51,229.84, 70,688.10 and 28,567.04 is: 39,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229.84 : 70,688.10 = 28,567.04 : x
  2. Step 2: Convert to fraction form
    51,229.84/70,688.10 = 28,567.04/x
  3. Step 3: Cross multiply
    51,229.84x = 70,688.10 × 28,567.04
  4. Step 4: Simplify right side
    51,229.84x = 2,019,349,780.22
  5. Step 5: Solve for x
    x = 2,019,349,780.22/51,229.84
  6. Step 6: Final answer
    x = 39,417.45

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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.