Home / 30,490.77-45,703.74-14,685.93

Finding the Fourth Proportional to 30,490.77, 45,703.74 and 14,685.93

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Solution

The fourth proportional to 30,490.77, 45,703.74 and 14,685.93 is: 22,013.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490.77 : 45,703.74 = 14,685.93 : x
  2. Step 2: Convert to fraction form
    30,490.77/45,703.74 = 14,685.93/x
  3. Step 3: Cross multiply
    30,490.77x = 45,703.74 × 14,685.93
  4. Step 4: Simplify right side
    30,490.77x = 671,201,926.38
  5. Step 5: Solve for x
    x = 671,201,926.38/30,490.77
  6. Step 6: Final answer
    x = 22,013.28

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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.