Home / 30,307.48-45,468.37-9,530.98

Finding the Fourth Proportional to 30,307.48, 45,468.37 and 9,530.98

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Solution

The fourth proportional to 30,307.48, 45,468.37 and 9,530.98 is: 14,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307.48 : 45,468.37 = 9,530.98 : x
  2. Step 2: Convert to fraction form
    30,307.48/45,468.37 = 9,530.98/x
  3. Step 3: Cross multiply
    30,307.48x = 45,468.37 × 9,530.98
  4. Step 4: Simplify right side
    30,307.48x = 433,358,125.10
  5. Step 5: Solve for x
    x = 433,358,125.10/30,307.48
  6. Step 6: Final answer
    x = 14,298.72

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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.