Home / 39,846.84-59,714.32-31,490.12

Finding the Fourth Proportional to 39,846.84, 59,714.32 and 31,490.12

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Solution

The fourth proportional to 39,846.84, 59,714.32 and 31,490.12 is: 47,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,846.84 : 59,714.32 = 31,490.12 : x
  2. Step 2: Convert to fraction form
    39,846.84/59,714.32 = 31,490.12/x
  3. Step 3: Cross multiply
    39,846.84x = 59,714.32 × 31,490.12
  4. Step 4: Simplify right side
    39,846.84x = 1,880,411,102.52
  5. Step 5: Solve for x
    x = 1,880,411,102.52/39,846.84
  6. Step 6: Final answer
    x = 47,190.97

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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.