Home / 30,030.12-41,442.48-16,602.24

Finding the Fourth Proportional to 30,030.12, 41,442.48 and 16,602.24

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Solution

The fourth proportional to 30,030.12, 41,442.48 and 16,602.24 is: 22,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.12 : 41,442.48 = 16,602.24 : x
  2. Step 2: Convert to fraction form
    30,030.12/41,442.48 = 16,602.24/x
  3. Step 3: Cross multiply
    30,030.12x = 41,442.48 × 16,602.24
  4. Step 4: Simplify right side
    30,030.12x = 688,037,999.16
  5. Step 5: Solve for x
    x = 688,037,999.16/30,030.12
  6. Step 6: Final answer
    x = 22,911.60

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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.