Home / 31,980.65-47,971.59-10,925.51

Finding the Fourth Proportional to 31,980.65, 47,971.59 and 10,925.51

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Solution

The fourth proportional to 31,980.65, 47,971.59 and 10,925.51 is: 16,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.65 : 47,971.59 = 10,925.51 : x
  2. Step 2: Convert to fraction form
    31,980.65/47,971.59 = 10,925.51/x
  3. Step 3: Cross multiply
    31,980.65x = 47,971.59 × 10,925.51
  4. Step 4: Simplify right side
    31,980.65x = 524,113,846.40
  5. Step 5: Solve for x
    x = 524,113,846.40/31,980.65
  6. Step 6: Final answer
    x = 16,388.47

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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.