Home / 51,032.13-70,420.35-28,369.74

Finding the Fourth Proportional to 51,032.13, 70,420.35 and 28,369.74

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Solution

The fourth proportional to 51,032.13, 70,420.35 and 28,369.74 is: 39,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,032.13 : 70,420.35 = 28,369.74 : x
  2. Step 2: Convert to fraction form
    51,032.13/70,420.35 = 28,369.74/x
  3. Step 3: Cross multiply
    51,032.13x = 70,420.35 × 28,369.74
  4. Step 4: Simplify right side
    51,032.13x = 1,997,806,526.26
  5. Step 5: Solve for x
    x = 1,997,806,526.26/51,032.13
  6. Step 6: Final answer
    x = 39,148.02

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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.