Home / 30,303.07-45,459.53-8,957.95

Finding the Fourth Proportional to 30,303.07, 45,459.53 and 8,957.95

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Solution

The fourth proportional to 30,303.07, 45,459.53 and 8,957.95 is: 13,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303.07 : 45,459.53 = 8,957.95 : x
  2. Step 2: Convert to fraction form
    30,303.07/45,459.53 = 8,957.95/x
  3. Step 3: Cross multiply
    30,303.07x = 45,459.53 × 8,957.95
  4. Step 4: Simplify right side
    30,303.07x = 407,224,196.76
  5. Step 5: Solve for x
    x = 407,224,196.76/30,303.07
  6. Step 6: Final answer
    x = 13,438.38

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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.