Home / 30,030.04-45,045.72-10,308.77

Finding the Fourth Proportional to 30,030.04, 45,045.72 and 10,308.77

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Solution

The fourth proportional to 30,030.04, 45,045.72 and 10,308.77 is: 15,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.04 : 45,045.72 = 10,308.77 : x
  2. Step 2: Convert to fraction form
    30,030.04/45,045.72 = 10,308.77/x
  3. Step 3: Cross multiply
    30,030.04x = 45,045.72 × 10,308.77
  4. Step 4: Simplify right side
    30,030.04x = 464,365,741.74
  5. Step 5: Solve for x
    x = 464,365,741.74/30,030.04
  6. Step 6: Final answer
    x = 15,463.37

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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.