Home / 30,603.10-45,904.65-16,557.70

Finding the Fourth Proportional to 30,603.10, 45,904.65 and 16,557.70

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Solution

The fourth proportional to 30,603.10, 45,904.65 and 16,557.70 is: 24,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603.10 : 45,904.65 = 16,557.70 : x
  2. Step 2: Convert to fraction form
    30,603.10/45,904.65 = 16,557.70/x
  3. Step 3: Cross multiply
    30,603.10x = 45,904.65 × 16,557.70
  4. Step 4: Simplify right side
    30,603.10x = 760,075,423.31
  5. Step 5: Solve for x
    x = 760,075,423.31/30,603.10
  6. Step 6: Final answer
    x = 24,836.55

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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.