Home / 51,005.07-70,386.74-28,035.42

Finding the Fourth Proportional to 51,005.07, 70,386.74 and 28,035.42

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Solution

The fourth proportional to 51,005.07, 70,386.74 and 28,035.42 is: 38,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,005.07 : 70,386.74 = 28,035.42 : x
  2. Step 2: Convert to fraction form
    51,005.07/70,386.74 = 28,035.42/x
  3. Step 3: Cross multiply
    51,005.07x = 70,386.74 × 28,035.42
  4. Step 4: Simplify right side
    51,005.07x = 1,973,321,678.15
  5. Step 5: Solve for x
    x = 1,973,321,678.15/51,005.07
  6. Step 6: Final answer
    x = 38,688.74

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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.