Home / 30,277.95-45,417.20-10,556.48

Finding the Fourth Proportional to 30,277.95, 45,417.20 and 10,556.48

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Solution

The fourth proportional to 30,277.95, 45,417.20 and 10,556.48 is: 15,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.95 : 45,417.20 = 10,556.48 : x
  2. Step 2: Convert to fraction form
    30,277.95/45,417.20 = 10,556.48/x
  3. Step 3: Cross multiply
    30,277.95x = 45,417.20 × 10,556.48
  4. Step 4: Simplify right side
    30,277.95x = 479,445,483.59
  5. Step 5: Solve for x
    x = 479,445,483.59/30,277.95
  6. Step 6: Final answer
    x = 15,834.81

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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.