Home / 51,032.60-70,459.26-45,638.24

Finding the Fourth Proportional to 51,032.60, 70,459.26 and 45,638.24

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Solution

The fourth proportional to 51,032.60, 70,459.26 and 45,638.24 is: 63,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,032.60 : 70,459.26 = 45,638.24 : x
  2. Step 2: Convert to fraction form
    51,032.60/70,459.26 = 45,638.24/x
  3. Step 3: Cross multiply
    51,032.60x = 70,459.26 × 45,638.24
  4. Step 4: Simplify right side
    51,032.60x = 3,215,636,618.10
  5. Step 5: Solve for x
    x = 3,215,636,618.10/51,032.60
  6. Step 6: Final answer
    x = 63,011.42

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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.