Home / 51,027.79-70,417.97-28,368.85

Finding the Fourth Proportional to 51,027.79, 70,417.97 and 28,368.85

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Solution

The fourth proportional to 51,027.79, 70,417.97 and 28,368.85 is: 39,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027.79 : 70,417.97 = 28,368.85 : x
  2. Step 2: Convert to fraction form
    51,027.79/70,417.97 = 28,368.85/x
  3. Step 3: Cross multiply
    51,027.79x = 70,417.97 × 28,368.85
  4. Step 4: Simplify right side
    51,027.79x = 1,997,676,828.23
  5. Step 5: Solve for x
    x = 1,997,676,828.23/51,027.79
  6. Step 6: Final answer
    x = 39,148.80

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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.