Home / 31,345.83-46,985.67-10,280.36

Finding the Fourth Proportional to 31,345.83, 46,985.67 and 10,280.36

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Solution

The fourth proportional to 31,345.83, 46,985.67 and 10,280.36 is: 15,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.83 : 46,985.67 = 10,280.36 : x
  2. Step 2: Convert to fraction form
    31,345.83/46,985.67 = 10,280.36/x
  3. Step 3: Cross multiply
    31,345.83x = 46,985.67 × 10,280.36
  4. Step 4: Simplify right side
    31,345.83x = 483,029,719.91
  5. Step 5: Solve for x
    x = 483,029,719.91/31,345.83
  6. Step 6: Final answer
    x = 15,409.70

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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.