Home / 46,718.48-70,037.76-20,403.92

Finding the Fourth Proportional to 46,718.48, 70,037.76 and 20,403.92

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Solution

The fourth proportional to 46,718.48, 70,037.76 and 20,403.92 is: 30,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,718.48 : 70,037.76 = 20,403.92 : x
  2. Step 2: Convert to fraction form
    46,718.48/70,037.76 = 20,403.92/x
  3. Step 3: Cross multiply
    46,718.48x = 70,037.76 × 20,403.92
  4. Step 4: Simplify right side
    46,718.48x = 1,429,044,852.02
  5. Step 5: Solve for x
    x = 1,429,044,852.02/46,718.48
  6. Step 6: Final answer
    x = 30,588.43

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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.