Home / 31,525.23-47,282.64-12,804.51

Finding the Fourth Proportional to 31,525.23, 47,282.64 and 12,804.51

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Solution

The fourth proportional to 31,525.23, 47,282.64 and 12,804.51 is: 19,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.23 : 47,282.64 = 12,804.51 : x
  2. Step 2: Convert to fraction form
    31,525.23/47,282.64 = 12,804.51/x
  3. Step 3: Cross multiply
    31,525.23x = 47,282.64 × 12,804.51
  4. Step 4: Simplify right side
    31,525.23x = 605,431,036.71
  5. Step 5: Solve for x
    x = 605,431,036.71/31,525.23
  6. Step 6: Final answer
    x = 19,204.65

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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.