Home / 53,298.15-79,920.47-17,746.94

Finding the Fourth Proportional to 53,298.15, 79,920.47 and 17,746.94

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Solution

The fourth proportional to 53,298.15, 79,920.47 and 17,746.94 is: 26,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,298.15 : 79,920.47 = 17,746.94 : x
  2. Step 2: Convert to fraction form
    53,298.15/79,920.47 = 17,746.94/x
  3. Step 3: Cross multiply
    53,298.15x = 79,920.47 × 17,746.94
  4. Step 4: Simplify right side
    53,298.15x = 1,418,343,785.86
  5. Step 5: Solve for x
    x = 1,418,343,785.86/53,298.15
  6. Step 6: Final answer
    x = 26,611.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.