Home / 31,210.67-43,070.72-17,063.51

Finding the Fourth Proportional to 31,210.67, 43,070.72 and 17,063.51

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Solution

The fourth proportional to 31,210.67, 43,070.72 and 17,063.51 is: 23,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.67 : 43,070.72 = 17,063.51 : x
  2. Step 2: Convert to fraction form
    31,210.67/43,070.72 = 17,063.51/x
  3. Step 3: Cross multiply
    31,210.67x = 43,070.72 × 17,063.51
  4. Step 4: Simplify right side
    31,210.67x = 734,937,811.76
  5. Step 5: Solve for x
    x = 734,937,811.76/31,210.67
  6. Step 6: Final answer
    x = 23,547.65

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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.