Home / 51,165.51-70,607.34-28,504.47

Finding the Fourth Proportional to 51,165.51, 70,607.34 and 28,504.47

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Solution

The fourth proportional to 51,165.51, 70,607.34 and 28,504.47 is: 39,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,165.51 : 70,607.34 = 28,504.47 : x
  2. Step 2: Convert to fraction form
    51,165.51/70,607.34 = 28,504.47/x
  3. Step 3: Cross multiply
    51,165.51x = 70,607.34 × 28,504.47
  4. Step 4: Simplify right side
    51,165.51x = 2,012,624,804.81
  5. Step 5: Solve for x
    x = 2,012,624,804.81/51,165.51
  6. Step 6: Final answer
    x = 39,335.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.