Home / 31,392.02-47,088.14-7,699.66

Finding the Fourth Proportional to 31,392.02, 47,088.14 and 7,699.66

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Solution

The fourth proportional to 31,392.02, 47,088.14 and 7,699.66 is: 11,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.02 : 47,088.14 = 7,699.66 : x
  2. Step 2: Convert to fraction form
    31,392.02/47,088.14 = 7,699.66/x
  3. Step 3: Cross multiply
    31,392.02x = 47,088.14 × 7,699.66
  4. Step 4: Simplify right side
    31,392.02x = 362,562,511.81
  5. Step 5: Solve for x
    x = 362,562,511.81/31,392.02
  6. Step 6: Final answer
    x = 11,549.51

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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.