Home / 31,870.02-47,804.63-14,327.45

Finding the Fourth Proportional to 31,870.02, 47,804.63 and 14,327.45

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Solution

The fourth proportional to 31,870.02, 47,804.63 and 14,327.45 is: 21,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,870.02 : 47,804.63 = 14,327.45 : x
  2. Step 2: Convert to fraction form
    31,870.02/47,804.63 = 14,327.45/x
  3. Step 3: Cross multiply
    31,870.02x = 47,804.63 × 14,327.45
  4. Step 4: Simplify right side
    31,870.02x = 684,918,135.43
  5. Step 5: Solve for x
    x = 684,918,135.43/31,870.02
  6. Step 6: Final answer
    x = 21,490.99

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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.