Home / 51,027.29-70,417.28-28,368.35

Finding the Fourth Proportional to 51,027.29, 70,417.28 and 28,368.35

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Solution

The fourth proportional to 51,027.29, 70,417.28 and 28,368.35 is: 39,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027.29 : 70,417.28 = 28,368.35 : x
  2. Step 2: Convert to fraction form
    51,027.29/70,417.28 = 28,368.35/x
  3. Step 3: Cross multiply
    51,027.29x = 70,417.28 × 28,368.35
  4. Step 4: Simplify right side
    51,027.29x = 1,997,622,045.09
  5. Step 5: Solve for x
    x = 1,997,622,045.09/51,027.29
  6. Step 6: Final answer
    x = 39,148.11

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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.