Home / 51,095.40-70,518.18-28,739.24

Finding the Fourth Proportional to 51,095.40, 70,518.18 and 28,739.24

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Solution

The fourth proportional to 51,095.40, 70,518.18 and 28,739.24 is: 39,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,095.40 : 70,518.18 = 28,739.24 : x
  2. Step 2: Convert to fraction form
    51,095.40/70,518.18 = 28,739.24/x
  3. Step 3: Cross multiply
    51,095.40x = 70,518.18 × 28,739.24
  4. Step 4: Simplify right side
    51,095.40x = 2,026,638,899.38
  5. Step 5: Solve for x
    x = 2,026,638,899.38/51,095.40
  6. Step 6: Final answer
    x = 39,663.82

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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.